/*
 	Utility.h

 	Copyright (c) 2008 Bojan Rajkovic

 	Permission is hereby granted, free of charge, to any person obtaining a copy
 	of this software and associated documentation files (the "Software"), to deal
		in the Software without restriction, including without limitation the rights
 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 	copies of the Software, and to permit persons to whom the Software is
 	furnished to do so, subject to the following conditions:
	
 	The above copyright notice and this permission notice shall be included in
 	all copies or substantial portions of the Software.

 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 	THE SOFTWARE.
*/

#ifndef _UTILITY_H_
#define _UTILITY_H_

#include "AllPurpose.h"
#include <syslog.h>
#include <ctime>
#include <stdarg.h>
#include <signal.h>
#include <openssl/sha.h>
#include <stdlib.h>

using namespace std;

class Utility {
		
	// public static member functions
	public:
		// get the current date and time formatted via ctime
		static std::string CurrentDateAndTime();
		// log a message
		static void LogMessage(std::string, int);
		// check if the pid inside a pid file is valid
		static bool CheckPIDFile(std::string);
		// get the sha1 hash of a string
		static std::string SHA1Hash(std::string);
		// Format a time_t for display with ctime
		static std::string FormatTime(time_t);
		// Format a std::string
		static std::string FormatString(const char* fmt, ...);
		// Sanitize a string (remove any non-blanks and non-alpha characters)
		static void SanitizeString(std::string&);
};

#endif
